Eitorf weather in September

In September, Eitorf sees average daytime highs of 18°C and overnight lows near 10°C, with 77 mm of rain across 11.6 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 16°C by the end. The sky is clear or mostly clear about 20% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Eitorf's 4th-clearest and 9th-windiest month. For the whole year in context, see Eitorf's year-round climate.

Daytime high
18°
4th warmest
Overnight low
10°
9th coldest
Rainfall
77 mm
11.6 wet days
Daylight
12 h 24 min
6:13 AM – 6:36 PM
Cloud cover
65%
4th clearest
Wind
11 km/h
9th windiest
Solar energy
3.08 kWh/m²
Travel score
5.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 20°C in the first days to 16°C by the end.

A typical September day in Eitorf reaches about 18°C in the afternoon and slips back to 10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 24°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12012
22012
32012
42012
52012
62011
71911
81911
91911
101911
111911
121911
131911
141911
151910
161810
171810
181810
191810
201810
211810
221710
231710
241710
251710
261710
27179
28169
29169
30169

How September really feels in Eitorf

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Eitorf weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°97153.88.20.0
Feb / 7912.749.70.2
Mar / 8313.92.311.51.8
Apr14° / 6011.70.513.53.8
May18° / 7012.2015.25.3
Jun21° / 12°7712.3016.25.9
Jul23° / 14°8313.3015.86.3
Aug22° / 14°8512.5014.36.3
Sep18° / 10°7711.6012.45.5
Oct13° / 8513.3010.43.4
Nov / 89141.28.71.1
Dec / 11116.64.27.80.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23664
33763
43664
53664
63664
73763
83763
93862
103862
113763
123763
133862
143862
153862
163961
173961
183961
193961
203961
213961
223862
233763
243763
253763
263565
273466
283367
293169
303169

Chance of precipitation in September

Any precipitation

Eitorf gets around 77 mm of rain over 11.6 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
240
340
440
540
640
740
840
940
1040
1139
1239
1338
1438
1538
1637
1737
1837
1937
2037
2137
2238
2338
2439
2540
2641
2742
2843
2943
3044

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
167258
268257
370246
471245
571245
673234
773234
874224
975223
1076213
1177203
1278193
1379183
1481172
1582162
1683152
1784142
1885132
1986131
2087121
2187121
2287121
2388111
2488111
2588111
2689110
2789110
2889110
2989110
3089110

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 24 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 114 minutes over September. Sunrise moves from 5:49 AM to 6:36 AM, and sunset from 7:11 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:497:11
213.35:517:08
313.25:527:06
413.25:547:04
513.15:567:01
613.05:576:59
713.05:596:57
812.96:006:55
912.86:026:52
1012.86:046:50
1112.76:056:48
1212.66:076:45
1312.66:086:43
1412.56:106:41
1512.46:126:38
1612.46:136:36
1712.36:156:34
1812.26:166:31
1912.26:186:29
2012.16:206:26
2112.06:216:24
2212.06:236:22
2311.96:246:19
2411.96:266:17
2511.86:286:15
2611.76:296:12
2711.76:316:10
2811.66:336:08
2911.56:346:06
3011.56:366:03

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.08 kWh/m².

For context, solar energy here swings from a low near 0.61 kWh/m² to a high of 5.33 kWh/m² in June across the year — September's 3.08 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.6Moderate
33.6Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.4Moderate
83.4Moderate
93.4Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.2Moderate
143.2Moderate
153.1Moderate
163.1Moderate
173.0Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.8Moderate
232.8Moderate
242.7Moderate
252.6Moderate
262.6Moderate
272.5Moderate
282.5Moderate
292.4Moderate
302.4Moderate
Planning a trip in September

Is September a good time to visit Eitorf?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.5
Sightseeing
4th-best month of the year
2.0
Beach & pool
4th-best month of the year

September is a reasonable time to visit Eitorf for sightseeing.

What to pack for Eitorf in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Eitorf sees daytime highs around 18°C and nights near 10°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Eitorf in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Eitorf peaks around July 13 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Eitorf?

Eitorf sits at 50.8°N, 7.5°E, 102 m above sea level, in Germany. The nearest listed city is Hennef (Sieg), 12 km away.

Topography around Eitorf

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Eitorf.

Within 3 km, the terrain around Eitorf has only modest variations in elevation — a maximum elevation change of 219 m around an average of 162 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 352 m; within 80 km, large variations in elevation — a maximum elevation change of 1,088 m.

The land around Eitorf is covered by trees (61%) and grassland (27%) within 3 km, trees (52%) and grassland (35%) within 16 km, and trees (57%) within 80 km.

3 km
219 m
16 km
352 m
80 km
1,088 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Hennef (Sieg) 12 km · Much 16 km · Nümbrecht 17 km · Waldbröl 17 km · Siegburg 17 km · Sankt Augustin 18 km · Lohmar 18 km · Königswinter 21 km

Germany travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 80% of US
price level, 2025
GDP per capita
$60,496
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
3.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 615
Religion
none 44%Roman Catholic 25%Protestant 23%other 5%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Eitorf (50.7667°, 7.45°, elevation 102 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).